Foot grinder



FIG. 1 is a front perspective view of a foot grinder, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a left perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof; and,

FIG. 10 is an enlarged view of portion “10” shown in FIG. 1 .

The evenly spaced broken lines illustrate portions of the foot grinder and form no part of the claimed design. The dash-dot broken lines illustrate enlarged view indicators and form no part of the claimed design. 

CLAIM The ornamental design for a foot grinder, as shown and described. 